Composition of matter for use as a rubber substitute.



homogeneous mass has articles of different kinds UNITED STATES PATENT OFFICE.

.IIiANoIs A. HALSEY, on PHILADELPHIA, PENNSYLVANIA, 'assm-Non or ONE-FOURTH TO CHARLES HAMILTON, on PHILADELHIALPENNSYLVANIA.

COMPOSITION OF MATTER FOR USE AS A RUBBER SUBSTITUTE.

Patented Apr. 24,1917.

M 132231392 Specification of Letters Patent. No Drawing. Application filed December 7. 1915. Serial No. 65,553.

To, all'whom it may camera:

Be it known that I, FRA'KCIS A. l'lALHEY, a citizen of the Unitod'tfitates. residing at Philadelphia, in thecounty of Pl'iiladelphia and State of lennovlvania. have invented a new and useful Composition of Matter for Ike as a Rubber Substitute, of which the following is a specification.

Tliis'i-nvention relates to a composition of matter for uee as a rubber substitute especiall r.le$igned for the. production of vehicle tires':an l'tl1e like whereby a resilient prodnot is obtained and skidding is prevented.

' The composition consists of the following in substantially the ingredients combined proportions stated Par-{i rubber 8 pa rts Kiescl guhr L parts Fullers? earth 2 parts Asbestos 3 parts Oxiid of lead ;I 5 parts Powdered sulfuizn 1 part Aluminum Wool 9. parts Cottonp'aste 2 parts Wood pulp t pa rte The several ingredients, except the rotthn Waste and the aluminum wool are thoroughly mixed in combination with any of the well known solvents. used with rubber and after this mixture has been eitected. the cotton Waste and aluminum \vool are added and the parts thoroughly mixed until it been obtained.- The can be molded into and is especially useful in the formation of cusneon tires for automobiles and other vehicles, a tire of this material, after being vulcaniZetLbeing light and resilient and operating to 'grip upon any pavementso that the said-tire will not skid. 1*urtherm0re. the product will with- ,resultant composition stand .u'ear much better than the ordinary pneumatic tire. j

' It is to be understood that the proportions herein given may be varied somewhat with out alteringrthe resultant product.

What is claimed is:

1. A composition ofniattcr for use-in the manutai-ture of vehicle tires'arid for like purposefi'. including Para rubber. aluminum wool. and votton \vaste. I i

2. A. i'oliipositioi'i of matter for use in the manui'zu-ture of vehicle tires and for like purposes. im-luding' Para rubber. kieselguhr, and aluminum \vool.

A. composition of matter for use in the manufacture of vehicle tires and for like purposes. including Para rubber, kieselguln'. t'ullers' earth. oXid of lead. aluminum \vool. cotton ivastegand wood pulp.

l. The herein described composition of matter for use in the manufacture of vehicle tires and for like purposes. including Para. rubber. kieselgzuhr. fullers earth. asbestos. oxid of lead. powdered sulfur. aluminum \vool. cotton waste. and wood pulp. substair tiall} in the proportions stated.

5. A. composition ofmatter' for use in the manuiaeture of vehicle tires and for like purposes. including Para rubber and aluminum \vool.

(3. A. coniposiiioli of matter torus-c in the manui'arture of vehiele tires. and for like purposes. int-hiding lara rubber. kieselguhr, i'ullei's' earth. and aluminum Wool.

In. testimony that I i'lai'm the foregoing as my own. I have hereto ailixed my signa- \Vitneslses: 

